最近我是使用EZ-USB制作了一个接口卡。可以用来制作其它USB产品。从开始了解芯片和工程需要到最后完成，前后大概一个月完成。 -Recently I was using the EZ-USB has produced an interface card. Can be used to produce other USB products. Chips and works from the beginning to understand the need to finalize, befor